At times you might download the Java JDK built tar.gz file by yourself and would like to make use of it as the Java version for your Mac Terminal. In such a case you can set the JAVA_HOME in the .zshrc profile file by following the below steps.
For this example, I have downloaded Java JDK 21, the latest LTS version of Java under ~/Downloads folder.
Step 1: Identify the Home path for your Java JDK
In my case it is "/Users/code2care/Downloads/jdk-21.jdk/Contents/Home"
Step 2: Open .zshrc profile file using Nano/Vim Terminal Text editor
Step 3: Add JAVA_HOME export details
Step 4: Add JAVA_HOME to PATH
Save an exit the .zshrc file.
Step 5: Apply Changes
Run the below command in terminal to apply changes to Zsh shell.
Now if you do a java --version, you should see that you have the JAVA_HOME JDK being used.
[Macbook % java --version openjdk 21 2023-09-19 OpenJDK Runtime Environment (build 21+35-2513) OpenJDK 64-Bit Server VM (build 21+35-2513, mixed mode, sharing)
This is not an AI-generated article but is demonstrated by a human on an M1 Mac running macOS Sonoma 14.0.
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